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PS & tranny cooler hose diameter?

Discussion in '80-Series Tech' started by cruiserman, Oct 4, 2003.

  1. cruiserman

    cruiserman

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    What size diameter hose is used for the power steering return lines and the tranny cooler lines? I got some bulk 3/8" hose, and it's a little too small.
     
  2. IdahoDoug

    IdahoDoug

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    I had my PS hose (return line) off a few days ago and it was quite tight when I went to put it back on. Could it be just a very tight fit with new line (mine's 10 years old)? Put a micrometer on the PS reservoir's return line nipple.

    IdahoDoug
     
  3. instigator

    instigator

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    replaced my cooler lines w/ aeroquip push-on 3/8 hose. part. fc-332-6. the cooler lines from the tranny look larger and they are, but are reduced in size at the ends for the hose. i hope this helps
     
  4. cruiserman

    cruiserman

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    Thanks. At least I know 3/8" will work.

    For those with a '93 factory repair manual, be advised that the manual shows a '91/'92 slipper style pump instead of the 1fzfe, vane style pump. The Gregory's manual covers the correct pump. There are a few other anomolies in the '93 manual. It's best to get the '94 manual.
     
  5. cruiserdan

    cruiserdan SupportingVendor Emeritus Moderator

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    Agreed,

    The 93 manual also omits the FF rear axle and the lockers. There was a correction published to address the power steering omission but not the rear axle or the diff lock or rear disc brake stuff. The 93 EWD shows every thing correctly. I recommend that 93 owners get the 94 book and a 93 EWD.


    D-
     
  6. cruiserman

    cruiserman

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    Yes. I photocopied the rear axle section from the local dealer before doing the rear axle seals and e-brake.

    What is EWD?
     
  7. cruiserdan

    cruiserdan SupportingVendor Emeritus Moderator

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    Electrical Wiring Diagram. More detailed than the FSM and in color.
     
  8. IdahoDoug

    IdahoDoug

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    Cruiserdan and Cruiserman - heh. Hey C-Dan how do we obtain the '93 updates? I assume these are not "from the goodness of our hearts 'cause we screwed up when we sold you that partly done '93 manual" pubs, eh? I have the '93 manual and like C-Man I've copied the local dealer's rr axle section. Happen to know if there is a list of updated pubs for the '93 FSM and how much? Wish I'd bought a '94 FSM as well..

    IdahoDoug
     
  9. cruiserman

    cruiserman

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    After much gnashing of teeth, I put the PS pump back together and got the 3/8" hose installed on the reservoir. The pump internals were pristine, and it didn't need a rebuild. Oh well.
     
  10. landtoy80

    landtoy80

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    Not all 3/8 hose are the same size. Napa was about 2mm smaller than the stuff Carquest sells. I couldn't find my post about the return line hose brand that works but the Carquest slipped right on. The Napa stuff would only go on 1/4 of the way and get stuck.
     
  11. cruiserman

    cruiserman

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    Carquest typically sells Gates stuff. NAPA and CSK sell lower grade hose. I may get some Carquest hose for the tranny cooler lines.